CanDo Puttycise Hard Resistance Theraputty Kit is a new twist in occupational and physical therapy. Puttycise is great for use with Theraputty to increase function and versatility. This 5 piece set includes the cap turn, key turn, knob turn, L-bar, and peg turn. Each tool works on simulating various functions to help with everyday life. Made of durable plastic. Set also comes with four 6-oz Theraputty containers filled with the hard level of putty resistances: Red, Green, Blue and Black. .